New results on fourth-order Hankel determinants for convex functions related to the sine function

Document Type : Research Paper

Authors

1 Department of Mathematics, College of Science, Mustansiriyah University, Baghdad, Iraq

2 Department of Mathematics, College of Science, University of Al-Qadisiyah, Diwaniyah, Iraq

Abstract

In this paper, we give an upper bound for the fourth Hankel determinant $H_4 (1)$ for a new class $\mathcal{S}^{\#}_{\mathcal{C}}$ associated with the sine function.

Keywords